.login {
  position: relative;
  width: 100%;
  
  .login_main {
    width: 300px;
    height: 200px;
    background-color: rgba(255, 255, 255, .2);
    border-radius: 8px;
    box-shadow: 0 0 4px 0 rgba(0 , 0, 0, .2);
    margin: auto;
    margin-top: 200px;
    overflow: hidden;
    text-align: center;
  }

  .user_name, .psd {
    width: 80%;
    margin-top: 30px;
  }

  .login_btn {
    width: 100px;
    margin-top: 25px;
  }
}